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... ... @@ -3,12 +3,17 @@ 3 3 4 4 {{toc/}} 5 5 6 -= 1. Introduction = 7 7 7 + 8 + 9 + 10 + 11 += **1. Introduction** = 12 + 8 8 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 9 9 10 10 11 -== 1.1 Example 1: Connect to Leak relay and VFD == 16 +== **1.1 Example 1: Connect to Leak relay and VFD** == 12 12 13 13 This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to Relay and VFD and communicate with Mobile. The structure is like below: 14 14 ... ... @@ -29,8 +29,10 @@ 29 29 * [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code. 30 30 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 31 31 32 -== 1.2 Example 2: Connect to Pulse Counter == 33 33 38 + 39 +== **1.2 Example 2: Connect to Pulse Counter** == 40 + 34 34 This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to Pulse Counter and communicate with Mobile. This example and example 2 compose the structure for a farm IoT solution. The structure is like below: 35 35 36 36 [[image:image-20220527092058-3.png]] ... ... @@ -38,18 +38,20 @@ 38 38 Connection 39 39 40 40 48 + 41 41 [[image:image-20220527092146-4.png]] 42 42 43 43 Connection 44 44 53 + 45 45 * [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/]] : Configure Document 46 46 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 47 47 48 48 == == 49 49 50 -== 1.3 Example3: Use RS485-LN with energy meters == 59 +== **1.3 Example3: Use RS485-LN with energy meters** == 51 51 52 -=== 1.3.1 OverView === 61 +=== **1.3.1 OverView** === 53 53 54 54 ((( 55 55 **Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. ... ... @@ -64,6 +64,7 @@ 64 64 Connection1 65 65 66 66 76 + 67 67 ((( 68 68 How to connect with Energy Meter: 69 69 ))) ... ... @@ -93,12 +93,13 @@ 93 93 Connection2 94 94 95 95 106 + 96 96 [[image:image-20220527092555-7.png]] 97 97 98 98 Connection3 99 99 100 100 101 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 112 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 102 102 103 103 If the user needs to read the parameters of the electric energy meter and use the modbus command,please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter. 104 104 ... ... @@ -137,12 +137,12 @@ 137 137 138 138 ))) 139 139 140 -=== 1.3.3 How to configure RS485-LN and parse output commands === 151 +=== **1.3.3 How to configure RS485-LN and parse output commands** === 141 141 142 142 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 143 143 144 144 145 -==== 1.3.3.1 via AT COMMAND: ==== 156 +==== **1.3.3.1 via AT COMMAND:** ==== 146 146 147 147 First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 148 148 ... ... @@ -160,11 +160,11 @@ 160 160 AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 161 161 ))) 162 162 163 -a: length for the return of AT+COMMAND 174 +a: length for the return of AT+COMMAND 164 164 165 -b:1: grab valid value by byte, max 6 bytes .2: grab valid value by bytes section, max 3 sections.176 +b: 1: grab valid value by byte, max 6 bytes; 2: grab valid value by bytes section, max 3 sections. 166 166 167 -c: define the position for valid value. 178 +c: define the position for valid value. 168 168 169 169 [[image:image-20220527092936-10.png]] 170 170 ... ... @@ -171,6 +171,7 @@ 171 171 AT COMMAND 172 172 173 173 185 + 174 174 PAYLOAD is available after the valid value is intercepted. 175 175 176 176 ... ... @@ -179,6 +179,7 @@ 179 179 AT COMMAND 180 180 181 181 194 + 182 182 You can get configured PAYLOAD on TTN. 183 183 184 184 [[image:image-20220527093133-12.png]] ... ... @@ -244,12 +244,14 @@ 244 244 245 245 (% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.** 246 246 260 + 261 + 247 247 [[image:image-20220527093251-14.png]] 248 248 249 249 AT COMMAND 250 250 251 251 252 -==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 267 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 253 253 254 254 [[image:image-20220527093358-15.png]] 255 255 ... ... @@ -309,6 +309,8 @@ 309 309 ))) 310 310 311 311 ((( 327 + 328 + 312 312 (% style="color:#4f81bd" %)**Example:** 313 313 ))) 314 314 ... ... @@ -321,27 +321,31 @@ 321 321 DOWNLINK 322 322 323 323 341 + 324 324 [[image:image-20220527093508-17.png]] 325 325 326 326 DOWNLINK 327 327 328 328 347 + 329 329 [[image:image-20220527093530-18.png]] 330 330 331 331 DOWNLINK 332 332 333 333 353 + 334 334 [[image:image-20220527093607-19.png]] 335 335 336 336 DOWNLINK 337 337 338 338 359 + 339 339 [[image:image-20220527093628-20.png]] 340 340 341 341 DOWNLINK 342 342 343 343 344 -=== 1.3.4 How to configure and output commands for RS485 to USB === 365 +=== **1.3.4 How to configure and output commands for RS485 to USB** === 345 345 346 346 ((( 347 347 This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN. ... ... @@ -368,11 +368,13 @@ 368 368 USB 369 369 370 370 392 + 371 371 [[image:image-20220527093747-22.png]] 372 372 373 373 USB 374 374 375 375 398 + 376 376 ((( 377 377 The configuration command is consistent with the AT command, input the hexadecimal command directly into the serial port, and the serial port will output the command. 378 378 ))) ... ... @@ -390,7 +390,7 @@ 390 390 USB 391 391 392 392 393 -=== 1.3.5 How to configure multiple devices and modify device addresses === 416 +=== **1.3.5 How to configure multiple devices and modify device addresses** === 394 394 395 395 If users need to read the parameters of multiple energy meters, they need to modify the device address, because the default device address of each energy meter is 01. 396 396 ... ... @@ -400,7 +400,7 @@ 400 400 ))) 401 401 ))) 402 402 403 -[[image:image-20220 527093849-24.png]]426 +[[image:image-20220601142044-1.png]] 404 404 405 405 406 406 **Example**:These two meters are examples of setting parameters and device addresses. ... ... @@ -427,7 +427,7 @@ 427 427 ))) 428 428 ))) 429 429 430 -[[image:image-20220 527094100-27.png]]453 +[[image:image-20220601142354-2.png]] 431 431 432 432 (% class="box infomessage" %) 433 433 ((( ... ... @@ -459,11 +459,12 @@ 459 459 460 460 [[image:image-20220527094224-29.png]] 461 461 462 -PAYLOAD:01 08 DF 43 62 485 +**PAYLOAD:01 08 DF 43 62** 463 463 464 464 * 08 DF is the valid value of the meter with device address 02. 465 465 * 43 62 is the valid value of the meter with device address 01. 466 466 490 + 467 467 == 1.4 Example 4: Circuit Breaker Remote Open Close == 468 468 469 469 This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology. The structure is like below: ... ... @@ -474,6 +474,7 @@ 474 474 475 475 * [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/]] : Configure Documen 476 476 501 + 477 477 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 478 478 479 479 This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-BL to connect to SEM Three Energy Meter and send the data to mobile phone for remote minitor. The structure is like below:
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